medium Set 88 Form Exercise

Write the fact family for 17, 1, 18:

Show answer

Answer: 17 + 1 = 18; 1 + 17 = 18; 18 - 17 = 1; 18 - 1 = 17

SubType
fact-family
Facts
  • 17 + 1 = 18
  • 1 + 17 = 18
  • 18 - 17 = 1
  • 18 - 1 = 17
Difficulty
normal

Write the fact family for 8, 2, 10:

Show answer

Answer: 8 + 2 = 10; 2 + 8 = 10; 10 - 8 = 2; 10 - 2 = 8

SubType
fact-family
Facts
  • 8 + 2 = 10
  • 2 + 8 = 10
  • 10 - 8 = 2
  • 10 - 2 = 8
Difficulty
normal

Write the fact family for 17, 3, 20:

Show answer

Answer: 17 + 3 = 20; 3 + 17 = 20; 20 - 17 = 3; 20 - 3 = 17

SubType
fact-family
Facts
  • 17 + 3 = 20
  • 3 + 17 = 20
  • 20 - 17 = 3
  • 20 - 3 = 17
Difficulty
normal

Write the fact family for 6, 5, 11:

Show answer

Answer: 6 + 5 = 11; 5 + 6 = 11; 11 - 6 = 5; 11 - 5 = 6

SubType
fact-family
Facts
  • 6 + 5 = 11
  • 5 + 6 = 11
  • 11 - 6 = 5
  • 11 - 5 = 6
Difficulty
normal

Write the fact family for 7, 1, 8:

Show answer

Answer: 7 + 1 = 8; 1 + 7 = 8; 8 - 7 = 1; 8 - 1 = 7

SubType
fact-family
Facts
  • 7 + 1 = 8
  • 1 + 7 = 8
  • 8 - 7 = 1
  • 8 - 1 = 7
Difficulty
normal

Write the fact family for 10, 10, 20:

Show answer

Answer: 10 + 10 = 20; 10 + 10 = 20; 20 - 10 = 10; 20 - 10 = 10

SubType
fact-family
Facts
  • 10 + 10 = 20
  • 10 + 10 = 20
  • 20 - 10 = 10
  • 20 - 10 = 10
Difficulty
normal